Filler strip



April 6, 1943. w. E. sAcKNER FILLER STRIP Filed March 5l, -1941 INVENTOR %de e740/Wr BY iwi#- ATTORNEYS Patented Apr. 6, 1943 FELLER STRH Wade E. Sackner, Grand Rapids, Mich., assignor to Grand Rapids Fibre Cord Company, Grand Rapids, Mich.

Application Mai-en si, 1941, serial No. 386,042

3 Claims.

This invention relates to improvements in filler strips.

This invention relates to filler strips or packing to be used in the welts or trim for door panels and cushions in automobile bodies, although it can also be used wherever a similar ller or packing is desired.

Heretofore felt has been used for this purpose, but is is quite expensive and is not uniform since it must be coiled on spools or drums and must be pulled therefrom for use. The tendency to stretch makes it non-uniform and does not give the desired appearance when used as a ller for the trim.

This invention consists in a ller which is better than felt for the purpose. It is more economical and gives a smooth, flat surface with an extremely fine resiliency not attained with felt. The product will not stretch and is therefore uniform. It is so made that it can be wound on spools or drums for use and will not wrinkle, making possible the uniform smooth appearance desired in this type of trim.

This invention has for its objects:

First, the production of a new and improved ller or packing strip oi the type above described.

Second, the production of such a strip having the above enumerated advantages and which is economical to manufacture.

Other objects and advantages pertaining to details and economies of construction and operation will appear from the description to follow. The invention is dened in the claims. A preferred embodiment of my invention is illustrated in the accompanying drawing, in which:

Fig. 1 is a detail sectional view through a piece of the improved packing strip.

Fig. 2 is a perspective view of the strip with portions of the material cut away to show the relationship of the parts.

Fig. 3 is a view showing how the ller strip can be bent without objectionable wrinkling.

The improved ller or packing strip indicated generally at l consists of a flat strip of creped cellulose wadding of the type sold under the trade name Kimpak This material consists of rather lacy creped sheets of cellulose material and a plurality of layers of such sheets 2 may be employed as indicated in the drawing. Completely overlying one face of the strip of wadding is a strip 3 of plain stiif smooth 126-110. basis kraft paper. Completelyr overlying the other side of the strip of cellulose wadding is a sheet 4 of creped kraft paper. As shown in Fig.

2, the lines of creping are transverse of the finished strip so the paper will give and take on bending of the strip in a transverse line. A cover 5 consisting of a strip of sheet creped cellulose wadding surrounds the assembly and holds the strips 2, 3 and l in assembled relation. This flexible covering of sheet creped cellulose wadding is wrapped around the assembly and adhesively fastened as indicated at 6. The creping of the sheets is transversely disposed with relation to the iinished strip, as shown in Fig. 2.

When this construction is used, the smooth kraft strip 3 gives a plain smooth square appear'- ance to the trim in which it is used but the underlying material is such that a nice resilient texture is achieved. The product thus gives the desired smooth, nat, square appearance which a much less resilient product would give while at the same time giving a resiliency which ordinary resilient packing which does not have the square smooth appearance would give.

The product will no-t stretch when pulled from the rolls and maintains the desired uniformity which is initially obtained because of the nature of the materials employed which may be cut into strips and assembled as above described. The product may be wound upon spools or drums without wrinkling or deforming the smooth outer face. The creped kraft overlying layer 4 is wound on the inside when the strip is wound on the spools or drums and contracts sufciently to accomplish the purpose. The creping of this sheet il in addition to providing the necessary expansion and contraction also assists in holding the packing material against creeping. The crepe paper frictionally engages the packing and also frictionally engages the outer covering 5.

The wadded creped cellulose is extremely inexpensive and gives the desired resiliency. It is used in the outer covering in sheet form because it is inexpensive, although possessing the necessary strength for holding the pieces of the product in assembled relationship until the product is coniined by the fabric or similar covering in the final trim.

The terms and expressions which have been herein employed are used as terms of description and not of limitation and there is no intention in the use of such terms and expressions of excluding any equivalents of the features shown and described. It is recognized that various modications are possible within the scope of the invention claimed.

Having thus described my invention, What I rer "ortica claim as new and desire to secure by Letters Patent is:

1. A filler strip for trimming comprising a nat strip of creped cellulose Wadding, a stiffening form maintaining element comprising a strip of plain stiff smooth kraft paper completely overlying one face thereof, and a strip of creped kraft paper completely voverlying the opposite face thereof with the lines of creping extending transversly of the strip, and a flexible cover sheet of light flexible creped cellulosic sheet material surrounding and holding said strips in assembled relation With the lines of creping extending transversely of the strip.

2. A filler strip for trimming comprising a dat strip of creped cellulose Wadding, a stiffening form maintaining element comprising a strip of stiff kraft paper completely overlying one face thereof and astrip of creped kraft paper completely overlying the opposite face thereof with the lines of creping extending transversely of the strip, and a flexible cover sheet of light flexible creped cellulosic sheet material surrounding and holding said strips in assembled relation with the lines of creping extending transversely of the strip.

3. A ller strip for trimming comprising a flat strip of wadding, a stiifening form maintaining element comprising a strip of stiff kraft paper completely overlying one face thereof, and a strip of creped-kraft paper completely overlying the opposite face thereof with the lines of creping extending transversely of the strip, and a flexible ,A cover sheet of light exible creped cellulosic sheet material surrounding and holding said strips in assembled relation with the lines of creping extending transversely of the strip.

WADE E. SACKNER. 

